shiptable.java

learning java的源代码。书中每个实例都有相关的代码example。

//file: ShipTable.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;

public class ShipTable {
  public static class ShipTableModel extends AbstractTableModel {
    private String[] headings = new String[] {
      "Number", "Hot?", "Origin", "Destination", "Ship Date", "Weight"
    };
    private Object[][] data = new Object[][] {
      { "100420", Boolean.FALSE, "Des Moines IA", "Spokane WA",
          "02/06/2000", new Float(450) },
      { "202174", Boolean.TRUE, "Basking Ridge NJ", "Princeton NJ",
          "05/20/2000", new Float(1250) },
      { "450877", Boolean.TRUE, "St. Paul MN", "Austin TX",
          "03/20/2000", new Float(1745) },
      { "101891", Boolean.FALSE, "Boston MA", "Albany NY",
          "04/04/2000", new Float(88) }
    };

    public int getRowCount(  ) { return data.length; }
    public int getColumnCount(  ) { return data[0].length; }

    public Object getValueAt(int row, int column) {
      return data[row][column];
    }

    public String getColumnName(int column) {
      return headings[column];
    }

    public Class getColumnClass(int column) {
      return data[0][column].getClass(  );
    }
  }

  public static void main(String[] args) {
    // create a JFrame to hold the table
    JFrame f = new JFrame("ShipTable v1.0");
    f.addWindowListener(new WindowAdapter(  ) {
      public void windowClosing(WindowEvent e) { System.exit(0); }
    });
    f.setSize(500, 200);
    f.setLocation(200, 200);

    // create the data model and the JTable
    TableModel model = new ShipTableModel(  );
    JTable table = new JTable(model);

    table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);

    // put it all together
    f.getContentPane(  ).add(new JScrollPane(table));
    f.setVisible(true);
  }
}